The equation, with a restriction on x, is the terminal side of an angle 0 in standard position. -2x+y=0, x0 Give the exact values of the six trigonometric functions of 0. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. OA. sin 0= (Simplify your answer. Use integers or fractions for any numbers in the expression. Type an exact answer, using radicals as needed. Ration OB. The function is undefined.